Thor 1-4 HDMI to ATSC Modulators 8VSB - Manual (Page 9)

H-4HDMI-ATSC-IP
Rear Panel Illustration
① HDMI Module 1: HDMI input port 1&2
② HDMI Module 2: HDMI input port 3&4
③ RF in port (for combiner use)
④ RF out port
⑤ ASI input port
⑥ ASI output ports
⑦ Switch
⑧ Power supply slot
⑨ Grounding